History is full of evil dictators, and while the had their share of bad qualities, it’s undeniable they were efficient at getting things done. Here’s what we can learn from them, despite their evil nature.

Last week we mentioned that Google is updating its terms of service so it can use your name, face, reviews, and social networking activity (like +1s) in ads displayed to your friends or anyone else Google thinks would be influenced by your opinion. Good or bad, one thing is true: It's easy to opt out. Here's how.

In the movies, right after a spy loads up on gadgets, they get their "cover identity," or the person they should pretend to be to get behind enemy lines or into the villain's lair. You can use cover identities too, whether you want to blend in with the locals while traveling, negotiate on your boss's behalf, impress…

Dear Lifehacker,
I'm a pretty savvy person when it comes to getting my work on the web where people can see, but all this talk about Facebook passwords and things has me re-thinking my personal/professional boundaries. Should I set up completely separate accounts for my personal life and my professional life, or is…